人教版九年级英语第六单元Unit6 SectionB-3(3a-selfcheck)

1、Section B 3a-3cUnit 6When was it invented?根据句意及首字母提示完成单词。1. These people were divided into two groups according to their ages.2. Look, a few pears remain on the trees. Lets pick them.3. Its said that the potato chips were invented by mistake. 4. The hot weather made the milk sour. 5. My grandparents

2、 often goes shopping with a basket (篮子). Eg . 1 Write an article using the notes in the box.Who: college studentsWhat: metal pie plate, flying diskWhen: 1950sWhere: bakery Bridgeport, ConnecticutHow: students eat pie, throw pie platesToday: clubs, magazines, festivalA sample version From pie plate t

3、o flying disk The flying disk was invented by college students. Flying disk is a metal pie plate. In the 1950s, several college students ate pies made by a bakery in Bridgeport, Connecticut. They found it interesting to throw the pie plates with each other. Then it became a game. Today, there are fl

4、ying disk clubs, magazines and even a festival. a pen that listens and writesEg .2 New invention:Use:It can listen to the writer and write by itself.Price :$ 50music candleactivity glassestemperature cupProblem: we often get hurt by the hot water in the cup.New invention: a cup that can tell you the

5、 temperature of the water.Use: It can show the temperature of the water.Price: $ 503aThink of something that you do not like doing. Then think of an invention that could help you. Make notes.Problem: quickly taking notes in classNew invention: a special penWhat it is used for:Price:内容提示Problem: quic

6、kly taking notes in classNew invention: a special penWhat it is used for: Price:Talk about itA: This special pen was invented by Zheng Jie. It has three colors and it is used for learning English.B: How is it special?A: When the red color is turned on, the pen reads out English as it is moved along

7、the line.B: When about the black color?A: When the black color is turned on, the pen finds out the structure of the sentences as it is moved along the line.B: When about the yellow color?A: When the yellow color is turned on, the pen shows the formation and meaning of the word as it is moved along t

8、he line.B: Wonderful! Where can I get one? A: I am the shop owner selling this kind of pen. 3bImagine you are a businessperson. Write a description of your new invention. Try to sell the invention to the class. Your time to writeThis special pen was invented by Liu Jie. It has three colors and is us

9、ed for Self checkUnit 6When was it invented?重点单词复习1.project n. 项目，工程；2. pleasure n. 高兴，愉快； 3. daily adj. 日常的，每日的； 4. mention v. 提到，说到；5.nearly adv.几乎，差不多； 6.boil v. 煮沸，烧开；7.remain v. 保持不变；剩余；8.national adj.国家的，民族的；9. low adj.低的，矮的； 10.translate v. 翻译；11.lock v.锁上；n. 锁；12.sudden adj. 突然的13. crispy ad

10、j. 脆的；酥脆的；14. salty adj. 咸的； 15.sour adj. 酸的，有酸味的；16.customer n. 顾客。17. Canadian 加拿大的， 18. divide v. 分开，分散；19. hero n 英雄，男主角； 20. professional adj. 职业的，专业的；重点短语复习1. shoes with special heels 特殊后跟的鞋子 2. hot ice cream scoop热的冰其淋勺子 3. run on electricity 电动的4. be used for 被用作5. the subject for my school

11、project学校项目的课题 6. our daily lives 我们的日常生活 7. have a point有点道理 8. by accident偶然，意外地 9. over the open fire在火堆上 10. fall into the water 落入水中 11. take place 发生 12. without doubt毫无疑问13. at a low price 以一个很低的价格 14. translate the book into different language 把书翻译成不同种的语言15. all of sudden 突然 16. by mistake 错

12、误地 17. a much-loved and active sport一个深受喜爱并且积极的运动18. divideinto 把分开 19. stop sb from doing sth 阻止某人做某事 20. look up to钦佩，仰慕 21. the professional basketball groups职业篮球机构22. use someone elses idea借用其他人的想法重点句型1. I think the TV was invented before the car. 我认为电视是在轿车之前发明的。2. -When was the telephone invent

13、ed? - 电话是什么时候发明的？ -I think it was invented in 1876. -我认为电话是在1876年被发明的。3. -What are they used for? -他们可用来做什么？ -They are used for changing the style of the shoes -他们可用来改变鞋子的样式。4. -When was the zipper invented? -拉链是什么时候发明的？ -It was invented in 1893 .-它是在1893年被发明的。5. -Who was it invented by? -它是由谁发明的？-I

14、t was invented by Whitcomb Judson. -它是被惠特科姆.贾德森发明的。6. -When was tea brought to Korea? -茶是什么时候被带到韩国的？-It was brought to Korea during the 6th and 7th centuries.-它是在六至七世纪被带到韩国的。7. -What is the hot ice-cream scoop used for? -这个热的冰其淋勺子是用来做什么的？ -Its used for serving really cold ice-cream -它是用来提供真正冷的冰其淋。1.

15、 I dont like eating chocolate. The taste is too _. 2. Mom added salt but it still wasnt _ enough. 3. I prefer lemons to oranges. I like the _ taste. 4. She likes _ cookies. They are hard, dry and easily broken. crispysweetsaltysourcrispy, sweet, salty, sourFill in the blank with the correct word giv

16、en.Do you know the difference? be invented bybe invented inbe invented toEmphasize on personEmphasize on time or placeEmphasize on the usageCan you make sentences with them? 1. Telephone _ Alexander Graham Bell, who is an Englishman. 2. various things have _ record the history of human being. 3. pap

17、er _ first _ ancient China, and it is one of the most important inventions in the world.be invented by/in/towas invented byinvented inwasbeen invented toIt is often difficult to decide on the inventor of certain inventions. This is because sometimes a few people may _ things which are _ the same. It

18、s hard to tell who came up with the idea first. invent, doubt, mention, nearly, website, all of suddenSelf Check1. Complete the passage with the correct forms of the words in the box.inventnearlySome inventions can also lead to other inventions _. So some people _ whether the inventor came up with t

19、he idea himself or herself. They think that the inventor used someone elses idea to create his or her invention. That is why books or _ usually _ more than one inventor when giving information about inventions. all of a suddendoubtwebsitesmentionSelf check 2 Rewrite these sentences using the passive

20、 voice. 1. Someone stole my watch.2. They used five eggs to make this big cake. My watch was stolen by someone.Five eggs were used (by them) to make this big cake.3. When did they invent the personal computer? 4. They asked us not to run in the hallway. 5. Someone took the video back to the store. When was the personal computer invented by them? We were asked (by them) not to run in the hallway. The video was taken back to the store (by someone).When were they invented?abacus in the 19th Centurybinoculars in 1600camera in 1839bicycle in 1839car in